Fixed auto mass serialisation and colliders not recomputing mass on size change

Assets/Scenes/SS_Playground.shade

@@ -50,8 +50,8 @@
       IsActive: true
     RigidBody Component:
       Type: Dynamic
-      Auto Mass: false
       Mass: 1
+      Auto Mass: false
       Drag: 0.00999999978
       Angular Drag: 0.00999999978
       Use Gravity: true
@@ -188,8 +188,8 @@
       IsActive: true
     RigidBody Component:
       Type: Dynamic
-      Auto Mass: false
       Mass: 1
+      Auto Mass: false
       Drag: 0.00999999978
       Angular Drag: 0.00999999978
       Use Gravity: true
@@ -228,8 +228,8 @@
       IsActive: true
     RigidBody Component:
       Type: Dynamic
-      Auto Mass: false
       Mass: 1
+      Auto Mass: false
       Drag: 0.00999999978
       Angular Drag: 0.00999999978
       Use Gravity: true
@@ -268,8 +268,8 @@
       IsActive: true
     RigidBody Component:
       Type: Dynamic
-      Auto Mass: false
       Mass: 1
+      Auto Mass: false
       Drag: 0.00999999978
       Angular Drag: 0.00999999978
       Use Gravity: true
@@ -308,8 +308,8 @@
       IsActive: true
     RigidBody Component:
       Type: Dynamic
-      Auto Mass: false
       Mass: 1
+      Auto Mass: false
       Drag: 0.00999999978
       Angular Drag: 0.00999999978
       Use Gravity: true
@@ -328,7 +328,7 @@
         - Is Trigger: false
           Collision Tag: 0
           Type: Box
-          Half Extents: {x: 1, y: 1, z: 1}
+          Half Extents: {x: 1, y: 2, z: 1}
           Friction: 0.400000006
           Bounciness: 0
           Density: 1

SHADE_Engine/src/Physics/Collision/SHCollider.cpp

@@ -326,6 +326,17 @@ namespace SHADE
       shape->Update();
   }
 
+  void SHCollider::UpdateBroadphase() noexcept
+  {
+    flags |= MOVED_FLAG;
+  }
+
+  void SHCollider::UpdateBody() noexcept
+  {
+    if (rigidBody)
+      rigidBody->ComputeMassData();
+  }
+
   /*-----------------------------------------------------------------------------------*/
   /* Private Member Function Definitions                                               */
   /*-----------------------------------------------------------------------------------*/

SHADE_Engine/src/Physics/Collision/SHCollider.h

@@ -149,6 +149,18 @@ namespace SHADE
     */
     void Update () noexcept;
 
+    /**
+     * @brief
+     * Updates the broadphase proxy of this collider.
+    */
+    void UpdateBroadphase() noexcept;
+
+    /**
+     * @brief 
+     * Recomputes the mass of the body if one exists. 
+    */
+    void UpdateBody() noexcept;
+
   protected:
     /*---------------------------------------------------------------------------------*/
     /* Data Members                                                                    */

SHADE_Engine/src/Physics/Collision/Shapes/SHBox.cpp

@@ -207,9 +207,11 @@ namespace SHADE
     // Recompute Relative radius
     relativeExtents = 2.0f * Extents / scale;
 
-    // Hack: Indicate that the collider needs to update the broadphase proxy
     if (collider)
-      collider->SetScale(collider->GetScale());
+    {
+      collider->UpdateBroadphase();
+      collider->UpdateBody();
+    }
   }
 
   void SHBox::SetRelativeExtents(const SHVec3& newRelativeExtents) noexcept
@@ -219,9 +221,11 @@ namespace SHADE
     // Recompute world radius
     Extents = relativeExtents * scale * 0.5f;
 
-    // Hack: Indicate that the collider needs to update the broadphase proxy
     if (collider)
-      collider->SetScale(collider->GetScale());
+    {
+      collider->UpdateBroadphase();
+      collider->UpdateBody();
+    }
   }
 
   void SHBox::SetScale(const SHVec3& newScale) noexcept
@@ -231,9 +235,11 @@ namespace SHADE
     // Recompute world radius
     Extents = relativeExtents * scale * 0.5f;
 
-    // Hack: Indicate that the collider needs to update the broadphase proxy
     if (collider)
-      collider->SetScale(collider->GetScale());
+    {
+      collider->UpdateBroadphase();
+      collider->UpdateBody();
+    }
   }
 
   /*-----------------------------------------------------------------------------------*/

SHADE_Engine/src/Physics/Collision/Shapes/SHSphere.cpp

@@ -168,9 +168,11 @@ namespace SHADE
     // Recompute Relative radius
     relativeRadius = 2.0f * Radius / scale;
 
-    // Hack: Indicate that the collider needs to update the broadphase proxy
     if (collider)
-      collider->SetScale(collider->GetScale());
+    {
+      collider->UpdateBroadphase();
+      collider->UpdateBody();
+    }
   }
 
   void SHSphere::SetRelativeRadius(float newRelativeRadius) noexcept
@@ -180,9 +182,11 @@ namespace SHADE
     // Recompute world radius
     Radius = relativeRadius * scale * 0.5f;
 
-    // Hack: Indicate that the collider needs to update the broadphase proxy
     if (collider)
-      collider->SetScale(collider->GetScale());
+    {
+      collider->UpdateBroadphase();
+      collider->UpdateBody();
+    }
   }
 
   void SHSphere::SetScale(float maxScale) noexcept
@@ -192,9 +196,11 @@ namespace SHADE
     // Recompute world radius
     Radius = relativeRadius * scale * 0.5f;
 
-    // Hack: Indicate that the collider needs to update the broadphase proxy
     if (collider)
-      collider->SetScale(collider->GetScale());
+    {
+      collider->UpdateBroadphase();
+      collider->UpdateBody();
+    }
   }
 
   /*-----------------------------------------------------------------------------------*/

SHADE_Engine/src/Physics/Dynamics/SHRigidBody.cpp

@@ -40,8 +40,6 @@ namespace SHADE
     flags |= 1U << 0;   // Body is active
     flags |= 1U << 2;   // Sleeping is enabled
     flags |= 1U << 3;   // Gravity is enabled
-
-    // TODO: Compute inertia if body is dynamic
   }
 
   SHRigidBody::SHRigidBody(const SHRigidBody& rhs) noexcept

SHADE_Engine/src/Physics/Interface/SHRigidBodyComponent.cpp

@@ -360,8 +360,8 @@ RTTR_REGISTRATION
 
   registration::class_<SHRigidBodyComponent>("RigidBody Component")
     .property("Type"              , &SHRigidBodyComponent::GetType            , &SHRigidBodyComponent::SetType              )
-    .property("Auto Mass"         , &SHRigidBodyComponent::GetAutoMass        , &SHRigidBodyComponent::SetAutoMass          )
     .property("Mass"              , &SHRigidBodyComponent::GetMass            , &SHRigidBodyComponent::SetMass              )
+    .property("Auto Mass"         , &SHRigidBodyComponent::GetAutoMass        , &SHRigidBodyComponent::SetAutoMass          )
     .property("Drag"              , &SHRigidBodyComponent::GetDrag            , &SHRigidBodyComponent::SetDrag              )
     .property("Angular Drag"      , &SHRigidBodyComponent::GetAngularDrag     , &SHRigidBodyComponent::SetAngularDrag       )
     .property("Use Gravity"       , &SHRigidBodyComponent::IsGravityEnabled   , &SHRigidBodyComponent::SetIsGravityEnabled  )